added seed data for mongodb.

src/AbpDesk/AbpDesk.MongoBlog/AbpDesk/Blogging/AbpDeskMongoBlogModule.cs

@@ -1,9 +1,14 @@
-using System.Reflection;
+using System.Linq;
+using System.Reflection;
 using Microsoft.Extensions.DependencyInjection;
+using Volo.Abp;
 using Volo.Abp.AspNetCore.Mvc;
+using Volo.Abp.Domain.Repositories;
 using Volo.Abp.EmbeddedFiles;
+using Volo.Abp.Guids;
 using Volo.Abp.Modularity;
 using Volo.Abp.MongoDB;
+using Volo.Abp.Uow;
 
 namespace AbpDesk.Blogging
 {
@@ -31,5 +36,52 @@ namespace AbpDesk.Blogging
 
             services.AddAssemblyOf<AbpDeskMongoBlogModule>();
         }
+
+        public override void OnApplicationInitialization(ApplicationInitializationContext context)
+        {
+            CreateSeedData(context);
+        }
+
+        private static void CreateSeedData(ApplicationInitializationContext context)
+        {
+            using (var scope = context.ServiceProvider.CreateScope())
+            {
+                using (var uow = scope.ServiceProvider.GetRequiredService<IUnitOfWorkManager>().Begin())
+                {
+                    var blogPostRepository = scope.ServiceProvider.GetRequiredService<IQueryableRepository<BlogPost>>();
+                    if (blogPostRepository.Any())
+                    {
+                        return;
+                    }
+
+                    var guidGenerator = scope.ServiceProvider.GetRequiredService<IGuidGenerator>();
+
+                    blogPostRepository.Insert(
+                        new BlogPost(
+                            guidGenerator.Create(),
+                            "Demo blog post title one!",
+                            "Sample body text for the first blog post"
+                        )
+                    );
+
+                    blogPostRepository.Insert(
+                        new BlogPost(
+                            guidGenerator.Create(),
+                            "Demo blog post title second!",
+                            "Sample body text for the second blog post"
+                        )
+                        {
+                            Comments =
+                            {
+                            new BlogPostComment("John", "Hi, this is a good post! Thank you :)"),
+                            new BlogPostComment("Adam", "You are adam! :s")
+                            }
+                        }
+                    );
+
+                    uow.Complete();
+                }
+            }
+        }
     }
 }

src/AbpDesk/AbpDesk.MongoBlog/AbpDesk/Blogging/BlogPostComment.cs

@@ -16,7 +16,7 @@ namespace AbpDesk.Blogging
         [NotNull]
         public virtual string Message { get; protected set; }
 
-        public BlogPostComment()
+        protected BlogPostComment()
         {
             
         }

src/Volo.Abp/Volo/Abp/Modularity/ModuleLoader.cs

@@ -10,8 +10,8 @@ namespace Volo.Abp.Modularity
     public class ModuleLoader : IModuleLoader
     {
         public AbpModuleDescriptor[] LoadModules(
-            IServiceCollection services, 
-            Type startupModuleType, 
+            IServiceCollection services,
+            Type startupModuleType,
             PlugInSourceList plugInSources)
         {
             Check.NotNull(services, nameof(services));
@@ -31,9 +31,9 @@ namespace Volo.Abp.Modularity
         }
 
         protected virtual void FillModules(
-            List<AbpModuleDescriptor> modules, 
-            IServiceCollection services, 
-            Type startupModuleType, 
+            List<AbpModuleDescriptor> modules,
+            IServiceCollection services,
+            Type startupModuleType,
             PlugInSourceList plugInSources)
         {
             //All modules starting from the startup module
@@ -45,7 +45,7 @@ namespace Volo.Abp.Modularity
             //Plugin modules
             foreach (var moduleType in plugInSources.GetAllModules())
             {
-                if(modules.Any(m => m.Type == moduleType))
+                if (modules.Any(m => m.Type == moduleType))
                 {
                     continue;
                 }
@@ -61,7 +61,7 @@ namespace Volo.Abp.Modularity
                 SetModuleDependencies(modules, module);
             }
         }
-        
+
         protected virtual List<AbpModuleDescriptor> SortByDependency(List<AbpModuleDescriptor> modules, Type startupModuleType)
         {
             var sortedModules = modules.SortByDependencies(m => m.Dependencies);
@@ -77,7 +77,7 @@ namespace Volo.Abp.Modularity
 
         protected virtual IAbpModule CreateAndRegisterModule(IServiceCollection services, Type moduleType)
         {
-            var module = (IAbpModule) Activator.CreateInstance(moduleType);
+            var module = (IAbpModule)Activator.CreateInstance(moduleType);
             services.AddSingleton(moduleType, module);
             return module;
         }
@@ -87,7 +87,7 @@ namespace Volo.Abp.Modularity
             //PreConfigureServices
             foreach (var module in modules.Where(m => m.Instance is IPreConfigureServices))
             {
-                ((IPreConfigureServices) module.Instance).PreConfigureServices(services);
+                ((IPreConfigureServices)module.Instance).PreConfigureServices(services);
             }
 
             //ConfigureServices
@@ -102,7 +102,7 @@ namespace Volo.Abp.Modularity
                 ((IPostConfigureServices)module.Instance).PostConfigureServices(services);
             }
         }
-        
+
         protected virtual void SetModuleDependencies(List<AbpModuleDescriptor> modules, AbpModuleDescriptor module)
         {
             foreach (var dependedModuleType in AbpModuleHelper.FindDependedModuleTypes(module.Type))

src/Volo.Abp/Volo/Abp/Modularity/ModuleManager.cs

@@ -1,6 +1,7 @@
 using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.Linq;
+using Microsoft.Extensions.Logging;
 using Volo.DependencyInjection;
 
 namespace Volo.Abp.Modularity
@@ -11,17 +12,22 @@ namespace Volo.Abp.Modularity
 
         private readonly List<AbpModuleDescriptor> _modules;
         private readonly IEnumerable<IModuleLifecycleContributer> _lifecycleContributers;
+        private readonly ILogger<ModuleManager> _logger;
 
         public ModuleManager(
             AbpApplication application,
-            IEnumerable<IModuleLifecycleContributer> lifecycleContributers)
+            IEnumerable<IModuleLifecycleContributer> lifecycleContributers,
+            ILogger<ModuleManager> logger)
         {
             _lifecycleContributers = lifecycleContributers;
+            _logger = logger;
             _modules = application.Modules.ToList();
         }
 
         public void InitializeModules(ApplicationInitializationContext context)
         {
+            LogListOfModules();
+
             foreach (var contributer in _lifecycleContributers)
             {
                 foreach (var module in Modules)
@@ -29,6 +35,18 @@ namespace Volo.Abp.Modularity
                     contributer.Initialize(context, module.Instance);
                 }
             }
+
+            _logger.LogInformation("Initialized all modules.");
+        }
+
+        private void LogListOfModules()
+        {
+            _logger.LogInformation("Loaded modules:");
+
+            foreach (var module in Modules)
+            {
+                _logger.LogInformation("- " + module.Type.FullName);
+            }
         }
 
         public void ShutdownModules(ApplicationShutdownContext context)